# Copyright 2007, 2009, 2010 Kevin Ryde
# This file is part of Chart.
#
# Chart is free software; you can redistribute it and/or modify it under the
# terms of the GNU General Public License as published by the Free Software
# Foundation; either version 3, or (at your option) any later version.
#
# Chart is distributed in the hope that it will be useful, but WITHOUT ANY
# WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
# FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
# details.
#
# You should have received a copy of the GNU General Public License along
# with Chart. If not, see <http://www.gnu.org/licenses/>.
package App::Chart::Series::Derived::MedianAverageAlpha;
use 5.010;
use strict;
use warnings;
use Carp;
use List::Util qw(min max);
use Locale::TextDomain ('App-Chart');
use base 'App::Chart::Series::Indicator';
use App::Chart::Series::Derived::MedianAverage;
sub longname { __('Median-Average - Alpha') }
sub shortname { __('Median-Average Alpha') }
sub manual { __p('manual-node','Median-Average Adaptive Filter') }
use constant
{ type => 'indicator',
priority => -10,
units => 'ema_alpha',
minimum => 0, # actually only to count==39, which is 0.05, but show 0
maximum => App::Chart::Series::Derived::EMA::N_to_alpha(3),
parameter_info => [ ],
};
sub new {
my ($class, $parent) = @_;
return $class->SUPER::new
(parent => $parent,
parameters => [ ],
arrays => { values => [] },
array_aliases => { });
}
*warmup_count = \&App::Chart::Series::Derived::MedianAverage::warmup_count;
sub proc {
my ($class) = @_;
my $proc_average_and_alpha
= App::Chart::Series::Derived::MedianAverage->proc_average_and_alpha;
return sub {
return ($proc_average_and_alpha->(@_))[1];
};
}
1;
__END__
# =head1 NAME
#
# App::Chart::Series::Derived::MedianAverageAlpha -- alpha factor for Median-Average Adaptive Filter
#
# =head1 SYNOPSIS
#
# my $series = $parent->MedianAverageAlpha();
#
# =head1 DESCRIPTION
#
# ...
#
# =head1 SEE ALSO
#
# L<App::Chart::Series>
#
# =cut